850 bodentiadefined, regular, about nine to the centimeter at middle ; lengthof hairs equal to about one and one-half width of rings. Fursoft but interspersed with numerous coarse hairs which impartto it a somewhat harsh quality ; with a lens these coarse hairsare seen to be very slender bristles, distinctly grooved on theupper side. Mammse : p 2 — 2, i 3 — 3 = 10. Colour.—The two main types of colour are (1) dark slaty,becoming almost blackish on back, and (2) light brown above,pale bufi" or light grey below. All possible intermediate stagesexist connecting the two extremes. SlulJ.—In general features the skull shows no markedpeculiarities. Dorsal profile faintly convex throughout, but ri(3. 172.Epiwys ruitvK. Nat. size.idattened over posterior half of nasals, between orbits and onposterior half of brain case ; occiput squarely and almost perpen¬dicularly truncate ; ventral profile nearly fiat. Brain-case squarishin outline when viewed from above, but slightly longer thanwide and somewhat narrowed posteriorly, the sides of its uppersurface marked by conspicuous longitudinal ridges continuouswith the overhanging interorbital beads. The greatest widthof brain-case across these ridges is distinctly greater than lengthof parietal measured along ridge. No trace of sagittal crest,but u low ridge-like lambdal crest present in old individuals and